bug#48135: 27.1.91; standard-display-table incorrectly initialized in byte compiled code?

[Norm Tovey-Walsh]

Put the following lines in testdt.el:

  (message "Hello")
  (describe-display-table standard-display-table)
  (message (format "%s" (char-table-p standard-display-table)))
  (message "Goodbye")

Start emacs: emacs -q -l testdt.el

You'll get this in the *Message* buffer:

  For information about GNU Emacs and the GNU system, type C-h C-a.
  Hello
  Type C-x 1 to delete the help window.
  t
  Goodbye

And this in the *Help* buffer:

  Truncation glyph: nil
  Wrap glyph: nil
  Escape glyph: nil
  Ctrl glyph: nil
  Selective display glyph sequence: nil
  Vertical window border glyph: nil
  Character display glyph sequences:

Now byte compile the file and start emacs: emacs -q -l testdt.elc

You'll get a wrong-type-argument error and the *Messages* buffer will contain:

  For information about GNU Emacs and the GNU system, type C-h C-a.
  Hello
  display-table-slot: Wrong type argument: char-table-p, nil

The *Help* buffer will contain:

  Truncation glyph: 

Apparently, there's something wrong with attempting to access the
standard-display-table from byte compiled code.

I originally encountered this issue in the context of nano-emacs,
https://github.com/rougier/nano-emacs/issues/28 and it appears that I’m
not alone in encountering it.


In GNU Emacs 27.1.91 (build 2, x86_64-apple-darwin20.3.0, NS appkit-2022.30 
Version 11.2.2 (Build 20D80))
 of 2021-03-03 built on hackmatack.local
Repository revision: 74a71c41e03f28a6380a0537babfdd6c1edb929a
Repository branch: HEAD
Windowing system distributor 'Apple', version 10.3.2022
System Description:  macOS 11.3

Recent messages:
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You should have a section marked ";;; Commentary:"

The first line should be of the form: ";;; package --- Summary"

Configured using:
 'configure --with-imagemagick
 PKG_CONFIG_PATH=/usr/local/opt/libxml2/lib/pkgconfig'

Configured features:
RSVG IMAGEMAGICK DBUS GLIB NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB
TOOLKIT_SCROLL_BARS XIM NS MODULES THREADS JSON PDUMPER LCMS2 GMP

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8

Major mode: Emacs-Lisp

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  line-number-mode: t
  transient-mark-mode: t

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Features:
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mml2015 qp sort mail-extr shr-color linum cl-print debug json-mode
json-reformat json-snatcher js2-imenu-extras cursor-sensor conf-mode
rng-xsd xsd-regexp rng-cmpct helm-x-files helm-for-files helm-bookmark
helm-command char-fold misearch multi-isearch inf-groovy groovy-mode
winner image-file helm-external ffap company-oddmuse company-keywords
company-etags company-gtags company-dabbrev-code company-dabbrev
company-files company-cmake company-xcode company-clang company-semantic
company-eclim company-template company-bbdb flyspell ispell org-roam
org-roam-graph org-roam-doctor org-roam-db emacsql-sqlite3 emacsql
emacsql-compiler org-roam-dailies org-roam-capture org-roam-completion
org-roam-buffer org-roam-faces org-roam-macs org-roam-compat ndw-nxml
n3-mode-autoloads ttl-mode-autoloads ndw-mu4e mail-signature-quotes
org-mu4e mu4e desktop frameset mu4e-org mu4e-main mu4e-view mu4e-headers
mu4e-compose mu4e-context mu4e-draft mu4e-actions rfc2368 smtpmail
sendmail mu4e-mark mu4e-message flow-fill mu4e-proc mu4e-utils doc-view
jka-compr image-mode exif mu4e-lists mu4e-vars mu4e-meta
org-attach-screenshot-autoloads goto-chg-autoloads undo-tree-autoloads
wordnut-autoloads perspective perspective-autoloads ndw-blog-autoloads
org-msg-autoloads emacs-htmlize-autoloads emacs-gfs emacs-gfs-autoloads
ndw-theme poet-dark-monochrome-theme poet-dark-theme
poet-monochrome-theme ndw-poet-theme poet-theme poet-theme-autoloads
ndw-fonts xquery-mode-autoloads company-marklogic company-marklogic-xqy
company-marklogic-sjs company-marklogic-autoloads org-mac-iCal
org-mac-iCal-autoloads yankpad-autoloads dashboard dashboard-widgets
time page-break-lines dashboard-autoloads page-break-lines-autoloads
dimmer face-remap dimmer-autoloads undo-propose undo-propose-autoloads
helm-bibtex bibtex-completion biblio biblio-download biblio-dissemin
biblio-ieee biblio-hal biblio-dblp biblio-crossref biblio-arxiv
biblio-doi biblio-core hl-line f parsebib bibtex helm-net
org-ref-autoloads pdf-tools-autoloads key-chord-autoloads ivy-autoloads
helm-bibtex-autoloads biblio-autoloads biblio-core-autoloads
parsebib-autoloads sparql-mode sparql-mode-autoloads annotate
annotate-autoloads minions minions-autoloads xproc-mode
xproc-mode-autoloads ndw-ob-ml-marklogic ob-ml-marklogic ob-ml-xquery
ob-ml-sparql ob-ml-javascript ob-ml-common ob-ml-marklogic-autoloads
ob-restclient ob-restclient-autoloads emacs-request-autoloads
company-restclient know-your-http-well http-status-codes http-relations
http-methods http-headers company-restclient-autoloads
know-your-http-well-autoloads highlight-indentation company-capf
help-fns radix-tree elpy elpy-rpc pyvenv elpy-shell elpy-profile
elpy-django elpy-refactor python elpy-autoloads pyvenv-autoloads
highlight-indentation-autoloads plantuml-mode plantuml-mode-autoloads
python-mode info-look tramp-sh hippie-exp flymake-proc flymake warnings
python-mode-autoloads tldr tldr-autoloads git-timemachine
git-timemachine-autoloads wsd-mode wsd-flycheck company-wsdmode
ob-wsdmode wsd-core wsd-mode-autoloads beacon beacon-autoloads
writegood-mode writegood-mode-autoloads powerthesaurus jeison
powerthesaurus-autoloads jeison-autoloads synosaurus ido
synosaurus-autoloads xml-quotes xml-quotes-autoloads wwtime
wwtime-autoloads code-library gist gh-gist gh-oauth gh-api logito
gh-cache pcache gh-auth gh-url gh-profile eieio-base
code-library-autoloads gist-autoloads gh-autoloads gh-common marshal
marshal-autoloads logito-autoloads pcache-autoloads calfw-cal
calfw-cal-autoloads calfw-ical icalendar diary-lib diary-loaddefs
calfw-ical-autoloads calfw-org calfw-org-autoloads calfw holidays
hol-loaddefs calfw-autoloads org-journal org-crypt cal-iso
org-journal-autoloads htmlize cl htmlize-autoloads org-context
org-capture org-agenda org-context-autoloads org-cliplink
org-cliplink-transport org-cliplink-string em-glob
org-cliplink-autoloads org-superstar-mode-autoloads yaml-mode web
time-stamp web-autoloads typescript-mode typescript-mode-autoloads
xref-js2 vc vc-dispatcher xref-js2-autoloads indium indium-list-sources
indium-scratch indium-interaction indium-chrome indium-nodejs
indium-repl indium-debugger indium-debugger-litable js2-refactor
js2r-paredit js2r-conveniences js2r-conditionals js2r-wrapping
js2r-functions yasnippet js2r-vars multiple-cursors-core rect js2r-iife
js2r-formatting js2r-helpers indium-debugger-locals indium-breakpoint
indium-inspector indium-render indium-faces indium-seq-fix js2-mode
etags fileloop xref project indium-client indium-structs
json-process-client indium-autoloads json-process-client-autoloads
js2-refactor-autoloads yasnippet-autoloads js2-mode-autoloads sass-mode
haml-mode js ruby-mode sass-mode-autoloads haml-mode-autoloads rnc-mode
rng-nxml rng-valid rng-loc rng-uri rng-parse nxml-parse rng-match rng-dt
rng-util rng-pttrn nxml-ns nxml-mode nxml-outln nxml-rap nxml-util
nxml-enc xmltok rnc-mode-autoloads recentf tree-widget
rainbow-delimiters rainbow-delimiters-autoloads markup-faces
markup-faces-autoloads markdown-preview-mode web-server
web-server-status-codes markdown-preview-mode-autoloads
web-server-autoloads markdown-mode+ markdown-mode+-autoloads
markdown-mode markdown-mode-autoloads multiple-cursors-autoloads
hyperspace-autoloads helm-company helm-elisp helm-eval edebug backtrace
helm-info helm-company-autoloads helm-swoop helm-swoop-autoloads
helm-flycheck helm-flycheck-autoloads helm-bbdb helm-bbdb-autoloads
helm-ag helm-ag-autoloads all-ext all all-ext-autoloads all-autoloads
restclient-helm restclient-helm-autoloads helm-wordnet-autoloads
helm-projectile-autoloads xmlunicode-helm ndw-helm helm-adaptive
helm-mode helm-files helm-buffers helm-occur helm-tags helm-locate
helm-grep helm-regexp helm-utils helm-help helm-types helm-config
helm-easymenu restclient restclient-autoloads projectile grep ibuf-ext
ibuffer ibuffer-loaddefs projectile-autoloads groovy-mode-autoloads
git-gutter git-gutter-autoloads hydra lv hydra-autoloads lv-autoloads
graphviz-dot-mode graphviz-dot-mode-autoloads flycheck-package
package-lint finder lisp-mnt flycheck-package-autoloads
package-lint-autoloads flycheck-ledger flycheck-ledger-autoloads
flycheck flycheck-autoloads pkg-info-autoloads epl-autoloads ledger-mode
ledger-check ledger-texi ledger-test ledger-sort ledger-report
ledger-reconcile ledger-occur ledger-fonts ledger-fontify ledger-state
ledger-complete ledger-schedule ledger-init ledger-xact ledger-post
ledger-exec ledger-navigate eshell esh-cmd esh-ext esh-opt esh-proc
esh-io esh-module esh-groups ledger-context ledger-commodities esh-arg
esh-util ledger-regex ledger-mode-autoloads exec-path-from-shell
exec-path-from-shell-autoloads emojify apropos tar-mode arc-mode
archive-mode ht emojify-autoloads ht-autoloads docker-explorer-autoloads
dockerfile-mode sh-script executable dockerfile-mode-autoloads
docker-compose-mode docker-compose-mode-autoloads yaml-mode-autoloads
docker-api docker-api-volumes docker-api-networks docker-api-containers
docker-api-images docker-api-connection request docker-api-autoloads
request-autoloads docker docker-volume docker-network docker-machine
docker-image docker-container docker-utils docker-tramp tramp-cache
tramp tramp-loaddefs trampver tramp-integration files-x tramp-compat
parse-time iso8601 ls-lisp tablist tablist-filter semantic/wisent/comp
semantic/wisent semantic/wisent/wisent semantic/util-modes semantic/util
semantic semantic/tag semantic/lex semantic/fw mode-local cedet
docker-core docker-autoloads tablist-autoloads json-mode-autoloads
json-snatcher-autoloads json-reformat-autoloads docker-tramp-autoloads
magit-bookmark magit-submodule magit-obsolete magit-blame magit-stash
magit-reflog magit-bisect magit-push magit-pull magit-fetch magit-clone
magit-remote magit-commit magit-sequence magit-notes magit-worktree
magit-tag magit-merge magit-branch magit-reset magit-files magit-refs
magit-status magit package url-handlers magit-repos magit-apply
magit-wip magit-log which-func magit-diff smerge-mode diff magit-core
magit-autorevert autorevert filenotify magit-margin magit-transient
magit-process magit-mode git-commit transient magit-git magit-section
magit-utils crm log-edit pcvs-util add-log with-editor async-bytecomp
server magit-autoloads git-commit-autoloads with-editor-autoloads
transient-autoloads css-mode smie sgml-mode imenu eww mm-url gnus
nnheader rainbow-mode color rainbow-mode-autoloads cperl-mode
company-emoji company-emoji-list company-emoji-autoloads company
company-autoloads use-package-diminish charmap charmap-autoloads bbdb
bbdb-site timezone bbdb-autoloads deadgrep rx spinner deadgrep-autoloads
spinner-autoloads full-ack full-ack-autoloads ack pcase compile
ack-autoloads ndw-om-to-xml om-to-xml org-ml s dash org-element
om-to-xml-autoloads visual-fill-column visual-fill-column-autoloads
org-ml-autoloads diminish diminish-autoloads zel-autoloads
frecency-autoloads a-autoloads atomic-chrome websocket bindat let-alist
atomic-chrome-autoloads websocket-autoloads let-alist-autoloads
disk-usage-autoloads crux-autoloads cus-edit cus-start cus-load
avy-autoloads use-package-bind-key bind-key elfeed-show elfeed-search
wid-edit vc-git diff-mode bookmark pp message dired dired-loaddefs
rfc822 mml mml-sec gnus-util rmail rmail-loaddefs mm-decode mm-bodies
mm-encode mailabbrev mail-utils gmm-utils mailheader shr
text-property-search svg dom elfeed-csv elfeed elfeed-curl elfeed-log
elfeed-db elfeed-lib avl-tree generator url-queue browse-url xml-query
elfeed-autoloads helm-dash helm helm-source eieio-compat
helm-multi-match helm-lib helm-dash-autoloads helm-autoloads
helm-core-autoloads popup-autoloads dash-docs gnutls thingatpt xml
dash-docs-autoloads finder-inf org-download org-attach org-id org-refile
url-http url url-proxy url-privacy url-expand url-methods url-history
mailcap url-auth mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums
mail-prsvr url-cookie url-domsuf url-util url-gw nsm rmc puny url-parse
url-vars async org-download-autoloads async-autoloads org-roam-autoloads
emacsql-sqlite3-autoloads emacsql-autoloads org-autoloads f-autoloads
s-autoloads dash-autoloads ndw-org ob-sqlite ob-shell shell ob-screen
ob-scheme ob-sass ob-ruby ob-python ob-plantuml ob-picolisp ob-perl
ob-org ob-octave ob-ocaml ob-lisp ob-ledger ob-latex ob-js ob-java ob-io
ob-haskell ob-gnuplot ob-dot ob-ditaa ob-css ob-clojure ob-calc
calc-store calc-trail calc-ext calc calc-loaddefs calc-macs ob-C cc-mode
cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars
cc-defs doct bh-org org-tempo tempo org ob ob-tangle ob-ref ob-lob
ob-table ob-exp org-macro org-footnote org-src ob-comint org-pcomplete
pcomplete comint ansi-color ring org-list org-faces org-entities
time-date noutline outline ob-emacs-lisp ob-core ob-eval org-table ol
org-keys org-compat advice org-macs org-loaddefs format-spec find-func
cal-menu calendar cal-loaddefs org-plus-contrib-autoloads org-version
all-the-icons all-the-icons-faces data-material data-weathericons
data-octicons data-fileicons data-faicons data-alltheicons memoize
all-the-icons-autoloads memoize-autoloads font-lock+ doct-autoloads
xmlunicode quail xmlunicode-character-list xmlunicode-autoloads
use-package-core disp-table whitespace notdeft-autoloads auth-source
eieio eieio-core eieio-loaddefs password-cache json map saveplace
savehist epa-file epa derived epg epg-config edmacro kmacro ndw-defuns
easy-mmode use-package-autoloads bind-key-autoloads straight-autoloads
info cl-extra help-mode easymenu seq byte-opt straight subr-x cl-macs gv
bytecomp byte-compile cconv cl-seq cl-loaddefs cl-lib early-init tooltip
eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel
term/ns-win ns-win ucs-normalize mule-util term/common-win tool-bar dnd
fontset image regexp-opt fringe tabulated-list replace newcomment
text-mode elisp-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core term/tty-colors frame minibuffer cl-generic
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite charscript charprop
case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote threads dbusbind kqueue
cocoa ns lcms2 multi-tty make-network-process emacs)

Memory information:
((conses 16 1637339 243122)
 (symbols 48 98772 325)
 (strings 32 426165 25598)
 (string-bytes 1 12306621)
 (vectors 16 208323)
 (vector-slots 8 3890800 328336)
 (floats 8 1042 1857)
 (intervals 56 84707 935)
 (buffers 1000 820))